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BARSIC [14]
3 years ago
13

What is the sixth term of a_(n)=-3*2^(n+1)?

Mathematics
2 answers:
stellarik [79]3 years ago
4 0

Answer:

-384

Step-by-step explanation:

n = 6 (6th term)

-3* 2^{6+1}

-3* 2^{7}

=-384

Aneli [31]3 years ago
3 0

Answer:

-3

Step-by-step explanation:

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Kenny is on the local swim team for the summer and has swim practice
AnnyKZ [126]

Answer:

She swims for 3 hours each morning.

Step-by-step explanation:

To determine the number of hours that Kenny swims in the morning, it is necessary to perform the following equation, taking into account that he swims 5 days a week for a total of 30 hours a week, and that in the afternoon he swims for 3 hours:

X + 3 x 5 = 30

X + 3 = 30/5

X = 6 - 3

X = 3

Therefore, Kenny swims for 3 hours in the morning.

3 0
3 years ago
Use Polya's four-step problem-solving strategy and the problem-solving procedures presented in this lesson to solve the followin
svp [43]

Answer:

a) 1+2+3+4+...+396+397+398+399=79800

b) 1+2+3+4+...+546+547+548+549=150975

c) 2+4+6+8+...+72+74+76+78=1560

Step-by-step explanation:

We know that a summation formula for the first n natural numbers:

1+2+3+...+(n-2)+(n-1)+n=\frac{n(n+1)}{2}

We use the formula, we get

a) 1+2+3+4+...+396+397+398+399=\frac{399·(399+1)}{2}=\frac{399· 400}{2}=399· 200=79800

b) 1+2+3+4+...+546+547+548+549=\frac{549·(549+1)}{2}=\frac{549· 550}{2}=549· 275=150975

c)2+4+6+8+...+72+74+76+78=S / ( :2)

1+2+3+4+...+36+37+38+39=S/2

\frac{39·(39+1)}{2}=S/2

\frac{39·40}{2}=S/2

39·40=S

1560=S

Therefore, we get

2+4+6+8+...+72+74+76+78=1560

5 0
3 years ago
Graph the line y+3=2(x-1) first identify the slope of the line
Mumz [18]
First you need to simplify the equation.

y + 3 = 2(x - 1)
y + 3 = 2x - 2

Then you need to put that into slope-intercept form (y = (slope)x + (y intercept))

y + 3 = 2x - 2
    -3           -3
y = 2x - 5

The slope is the coefficient of x, so 2 is the slope of the line.
6 0
3 years ago
Colleen is searching online for airline tickets. Two weeks ago, the cost to fly from Hartford to Denver was $200. Now the cost i
Anit [1.1K]

Answer:

Sorry that you have to do this

3 0
3 years ago
What is the greatest common factor of 40 and 25?
Alexxandr [17]

Answer:

5

the right answer is 5......

4 0
3 years ago
Read 2 more answers
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